Linear attachment



FIG. 1 is a perspective view of a linear attachment showing my newdesign;

FIG. 2 is a top elevation view, taken from the FIG. 1, bottom view beingidentical;

FIG. 3 is a front side plan view of the FIG. 2, the rear plan view beingidentical; and,

FIG. 4 is a right side plan view of the FIG. 2, the left side plan viewbeing identical.

The ornamental design for a linear attachment, as shown and described.